Battery case for smart phone



FIG. 1 is a bottom plan view of a battery case for smart phone showingmy design therefor;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front elevational view thereof, showing a camera opening indashed lines, which opening does not form a part of the claimed design;

FIG. 7 is a top, front, right side perspective view thereof;

FIG. 8 is a right side, front perspective view of a second embodiment ofa battery case for smart phone for use with a different smartphone, alsoshowing a camera opening, a smartphone covering case, and a connectorcord for connecting a smartphone to the battery case for smart phone.The camera opening, smartphone covering case, and a connector cord areshown in dashed lines for context, and do not form a part of the claimeddesign;

FIG. 9 is a bottom plan view of a second embodiment of a battery casefor smart phone;

FIG. 10 is a right side elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a front elevational view thereof, showing a camera opening indashed lines, which opening does not form a part of the claimed design;and,

FIG. 15 is a back, bottom, right side perspective view thereof.

CLAIM The ornamental design for a battery case for smart phone, as shownand described.